Flights from Pittsburgh International Airport to Illinois

Flight deals from Pittsburgh International Airport to Illinois

Looking for cheap tickets from Pittsburgh International Airport to Illinois, or a last-minute trip? Find the lowest prices on one-way and return tickets right here.

Chicago.R 832 per passenger.Departing Thu, 1 Jan.One-way flight with Southwest Airlines.Outbound direct flight with Southwest Airlines departs from Pittsburgh International on Thu, 1 Jan, arriving in Chicago Midway.Price includes taxes and charges.From R 832, select.

Peoria.R 2,938 per passenger.Departing Mon, 22 Dec.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Pittsburgh International on Mon, 22 Dec, arriving in Greater Peoria.Price includes taxes and charges.From R 2,938, select.

Springfield.R 3,247 per passenger.Departing Sat, 17 Jan.One-way flight with Allegiant Air.Outbound indirect flight with Allegiant Air, departs from Pittsburgh International on Sat, 17 Jan, arriving in Springfield.Price includes taxes and charges.From R 3,247, select.

Bloomington.R 4,092 per passenger.Departing Fri, 24 Apr.One-way flight with Delta.Outbound indirect flight with Delta, departs from Pittsburgh International on Fri, 24 Apr, arriving in Central Illinois Regional.Price includes taxes and charges.From R 4,092, select.

Moline.R 4,102 per passenger.Departing Sun, 18 Jan.One-way flight with United.Outbound indirect flight with United, departs from Pittsburgh International on Sun, 18 Jan, arriving in Moline.Price includes taxes and charges.From R 4,102, select.

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Flying from Pittsburgh International Airport to Illinois

Arm yourself with these facts on the fly.

Cheapest flight found	R 832
Cheapest month to fly	January
Average flight time	1 hr, 44 mins
Average flights per week	513
Most popular airline	American Airlines

How to find cheap flights from Pittsburgh International Airport to Illinois

We've compared the best online travel agents and flight providers on the internet to find the cheapest plane tickets from Pittsburgh International Airport to Illinois. Other savvy travellers recently found return flights from R 1,664 and one-way tickets from R 832. Ready to join them? Here are a few tips to help you do it the smart way.

Fly in January

The cheapest time to fly from Pittsburgh International Airport to Illinois is currently January.

Flex your dates for the best rates

If you’re flexible on your departure dates, you can use Skyscanner's whole month tool to find the cheapest day of the year to fly from Pittsburgh International Airport to anywhere you choose in Illinois.

Watch as fares rise and fall

With Price Alerts, we'll let you know when flight prices from Pittsburgh International Airport to your chosen airport in Illinois go up or down so you can book when the time is just right.

Relax – these are fee-free flight tickets

With us, there are no added fees – the Illinois Airport to Illinois flight price you see when you search with us is what you pay to the provider.

Frequently asked questions

Are there any direct flights from Pittsburgh International Airport to Illinois?

Yes - direct flights currently operate from Pittsburgh International Airport to Chicago O'Hare International Airport in Illinois.

What is the average price of a flight from Pittsburgh International Airport to Illinois?

We looked at all of the upcoming return flights from Pittsburgh International Airport to Illinois we could find over the next 12 months. It looks like R 1,664 is the best price. This is good, compared to the average Illinois ticket price of R 4,724.

What is the cheapest month to fly from Pittsburgh International Airport to Illinois?

The cheapest month to fly from Pittsburgh International Airport to Moline Airport is currently December.
The cheapest month to fly from Pittsburgh International Airport to Chicago O'Hare International Airport is currently January.
The cheapest month to fly from Pittsburgh International Airport to Central Illinois Regional Airport is currently December.
And the cheapest month to fly from Pittsburgh International Airport to Springfield Airport is usually December.

Which upcoming date is cheapest to fly from Pittsburgh International Airport to Illinois on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from Pittsburgh International Airport to Illinois on Saturday, 17 January 2026.

If I'm flying from Pittsburgh International Airport, where in Illinois is cheapest to fly into?

If you're flying from Pittsburgh International, the cheapest city in Illinois to fly into is Chicago. The cheapest airport serving Chicago at the moment is Chicago O'Hare International.